arch/arm/boot/dts/nxp/mxs/imx28-duckbill-2.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/mxs/imx28-duckbill-2.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/mxs/imx28-duckbill-2.dts
Extension
.dts
Size
3441 bytes
Lines
171
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2015-2017 I2SE GmbH <info@i2se.com>
 * Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>
 */

/dts-v1/;
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
#include "imx28.dtsi"

/ {
	model = "I2SE Duckbill 2";
	compatible = "i2se,duckbill-2", "fsl,imx28";

	memory@40000000 {
		device_type = "memory";
		reg = <0x40000000 0x08000000>;
	};

	reg_3p3v: regulator-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "3P3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&led_pins>;

		led-status-red {
			label = "duckbill:red:status";
			gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "default-on";
		};

		led-status-green {
			label = "duckbill:green:status";
			gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};
	};
};

&auart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&auart0_2pins_a>;
	status = "okay";
};

&duart {
	pinctrl-names = "default";
	pinctrl-0 = <&duart_pins_a>;
	status = "okay";
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins_a>;
	status = "okay";
};

&lradc {
	status = "okay";
};

&mac0 {

Annotation

Implementation Notes